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      1 /*
      2  * Copyright 2008 Corbin Simpson <MostAwesomeDude (at) gmail.com>
      3  * Copyright 2009 Marek Olk <maraeo (at) gmail.com>
      4  *
      5  * Permission is hereby granted, free of charge, to any person obtaining a
      6  * copy of this software and associated documentation files (the "Software"),
      7  * to deal in the Software without restriction, including without limitation
      8  * on the rights to use, copy, modify, merge, publish, distribute, sub
      9  * license, and/or sell copies of the Software, and to permit persons to whom
     10  * the Software is furnished to do so, subject to the following conditions:
     11  *
     12  * The above copyright notice and this permission notice (including the next
     13  * paragraph) shall be included in all copies or substantial portions of the
     14  * Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
     19  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
     20  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
     21  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
     22  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
     23 
     24 /* r300_emit: Functions for emitting state. */
     25 
     26 #include "util/u_format.h"
     27 #include "util/u_math.h"
     28 #include "util/u_mm.h"
     29 
     30 #include "r300_context.h"
     31 #include "r300_cb.h"
     32 #include "r300_cs.h"
     33 #include "r300_emit.h"
     34 #include "r300_fs.h"
     35 #include "r300_screen.h"
     36 #include "r300_screen_buffer.h"
     37 #include "r300_vs.h"
     38 
     39 void r300_emit_blend_state(struct r300_context* r300,
     40                            unsigned size, void* state)
     41 {
     42     struct r300_blend_state* blend = (struct r300_blend_state*)state;
     43     struct pipe_framebuffer_state* fb =
     44         (struct pipe_framebuffer_state*)r300->fb_state.state;
     45     CS_LOCALS(r300);
     46 
     47     if (fb->nr_cbufs) {
     48         if (fb->cbufs[0]->format == PIPE_FORMAT_R16G16B16A16_FLOAT) {
     49             WRITE_CS_TABLE(blend->cb_noclamp, size);
     50         } else {
     51             unsigned swz = r300_surface(fb->cbufs[0])->colormask_swizzle;
     52             WRITE_CS_TABLE(blend->cb_clamp[swz], size);
     53         }
     54     } else {
     55         WRITE_CS_TABLE(blend->cb_no_readwrite, size);
     56     }
     57 }
     58 
     59 void r300_emit_blend_color_state(struct r300_context* r300,
     60                                  unsigned size, void* state)
     61 {
     62     struct r300_blend_color_state* bc = (struct r300_blend_color_state*)state;
     63     CS_LOCALS(r300);
     64 
     65     WRITE_CS_TABLE(bc->cb, size);
     66 }
     67 
     68 void r300_emit_clip_state(struct r300_context* r300,
     69                           unsigned size, void* state)
     70 {
     71     struct r300_clip_state* clip = (struct r300_clip_state*)state;
     72     CS_LOCALS(r300);
     73 
     74     WRITE_CS_TABLE(clip->cb, size);
     75 }
     76 
     77 void r300_emit_dsa_state(struct r300_context* r300, unsigned size, void* state)
     78 {
     79     struct r300_dsa_state* dsa = (struct r300_dsa_state*)state;
     80     struct pipe_framebuffer_state* fb =
     81         (struct pipe_framebuffer_state*)r300->fb_state.state;
     82     CS_LOCALS(r300);
     83 
     84     if (fb->zsbuf) {
     85         if (fb->nr_cbufs && fb->cbufs[0]->format == PIPE_FORMAT_R16G16B16A16_FLOAT)
     86             WRITE_CS_TABLE(&dsa->cb_begin_fp16, size);
     87         else
     88             WRITE_CS_TABLE(&dsa->cb_begin, size);
     89     } else {
     90         if (fb->nr_cbufs && fb->cbufs[0]->format == PIPE_FORMAT_R16G16B16A16_FLOAT)
     91             WRITE_CS_TABLE(dsa->cb_fp16_zb_no_readwrite, size);
     92         else
     93             WRITE_CS_TABLE(dsa->cb_zb_no_readwrite, size);
     94     }
     95 }
     96 
     97 static void get_rc_constant_state(
     98     float vec[4],
     99     struct r300_context * r300,
    100     struct rc_constant * constant)
    101 {
    102     struct r300_textures_state* texstate = r300->textures_state.state;
    103     struct r300_resource *tex;
    104 
    105     assert(constant->Type == RC_CONSTANT_STATE);
    106 
    107     /* vec should either be (0, 0, 0, 1), which should be a relatively safe
    108      * RGBA or STRQ value, or it could be one of the RC_CONSTANT_STATE
    109      * state factors. */
    110 
    111     switch (constant->u.State[0]) {
    112         /* Factor for converting rectangle coords to
    113          * normalized coords. Should only show up on non-r500. */
    114         case RC_STATE_R300_TEXRECT_FACTOR:
    115             tex = r300_resource(texstate->sampler_views[constant->u.State[1]]->base.texture);
    116             vec[0] = 1.0 / tex->tex.width0;
    117             vec[1] = 1.0 / tex->tex.height0;
    118             vec[2] = 0;
    119             vec[3] = 1;
    120             break;
    121 
    122         case RC_STATE_R300_TEXSCALE_FACTOR:
    123             tex = r300_resource(texstate->sampler_views[constant->u.State[1]]->base.texture);
    124             /* Add a small number to the texture size to work around rounding errors in hw. */
    125             vec[0] = tex->b.b.width0  / (tex->tex.width0  + 0.001f);
    126             vec[1] = tex->b.b.height0 / (tex->tex.height0 + 0.001f);
    127             vec[2] = tex->b.b.depth0  / (tex->tex.depth0  + 0.001f);
    128             vec[3] = 1;
    129             break;
    130 
    131         case RC_STATE_R300_VIEWPORT_SCALE:
    132             vec[0] = r300->viewport.scale[0];
    133             vec[1] = r300->viewport.scale[1];
    134             vec[2] = r300->viewport.scale[2];
    135             vec[3] = 1;
    136             break;
    137 
    138         case RC_STATE_R300_VIEWPORT_OFFSET:
    139             vec[0] = r300->viewport.translate[0];
    140             vec[1] = r300->viewport.translate[1];
    141             vec[2] = r300->viewport.translate[2];
    142             vec[3] = 1;
    143             break;
    144 
    145         default:
    146             fprintf(stderr, "r300: Implementation error: "
    147                 "Unknown RC_CONSTANT type %d\n", constant->u.State[0]);
    148             vec[0] = 0;
    149             vec[1] = 0;
    150             vec[2] = 0;
    151             vec[3] = 1;
    152     }
    153 }
    154 
    155 /* Convert a normal single-precision float into the 7.16 format
    156  * used by the R300 fragment shader.
    157  */
    158 uint32_t pack_float24(float f)
    159 {
    160     union {
    161         float fl;
    162         uint32_t u;
    163     } u;
    164     float mantissa;
    165     int exponent;
    166     uint32_t float24 = 0;
    167 
    168     if (f == 0.0)
    169         return 0;
    170 
    171     u.fl = f;
    172 
    173     mantissa = frexpf(f, &exponent);
    174 
    175     /* Handle -ve */
    176     if (mantissa < 0) {
    177         float24 |= (1 << 23);
    178         mantissa = mantissa * -1.0;
    179     }
    180     /* Handle exponent, bias of 63 */
    181     exponent += 62;
    182     float24 |= (exponent << 16);
    183     /* Kill 7 LSB of mantissa */
    184     float24 |= (u.u & 0x7FFFFF) >> 7;
    185 
    186     return float24;
    187 }
    188 
    189 void r300_emit_fs(struct r300_context* r300, unsigned size, void *state)
    190 {
    191     struct r300_fragment_shader *fs = r300_fs(r300);
    192     CS_LOCALS(r300);
    193 
    194     WRITE_CS_TABLE(fs->shader->cb_code, fs->shader->cb_code_size);
    195 }
    196 
    197 void r300_emit_fs_constants(struct r300_context* r300, unsigned size, void *state)
    198 {
    199     struct r300_fragment_shader *fs = r300_fs(r300);
    200     struct r300_constant_buffer *buf = (struct r300_constant_buffer*)state;
    201     unsigned count = fs->shader->externals_count;
    202     unsigned i, j;
    203     CS_LOCALS(r300);
    204 
    205     if (count == 0)
    206         return;
    207 
    208     BEGIN_CS(size);
    209     OUT_CS_REG_SEQ(R300_PFS_PARAM_0_X, count * 4);
    210     if (buf->remap_table){
    211         for (i = 0; i < count; i++) {
    212             float *data = (float*)&buf->ptr[buf->remap_table[i]*4];
    213             for (j = 0; j < 4; j++)
    214                 OUT_CS(pack_float24(data[j]));
    215         }
    216     } else {
    217         for (i = 0; i < count; i++)
    218             for (j = 0; j < 4; j++)
    219                 OUT_CS(pack_float24(*(float*)&buf->ptr[i*4+j]));
    220     }
    221 
    222     END_CS;
    223 }
    224 
    225 void r300_emit_fs_rc_constant_state(struct r300_context* r300, unsigned size, void *state)
    226 {
    227     struct r300_fragment_shader *fs = r300_fs(r300);
    228     struct rc_constant_list *constants = &fs->shader->code.constants;
    229     unsigned i;
    230     unsigned count = fs->shader->rc_state_count;
    231     unsigned first = fs->shader->externals_count;
    232     unsigned end = constants->Count;
    233     unsigned j;
    234     CS_LOCALS(r300);
    235 
    236     if (count == 0)
    237         return;
    238 
    239     BEGIN_CS(size);
    240     for(i = first; i < end; ++i) {
    241         if (constants->Constants[i].Type == RC_CONSTANT_STATE) {
    242             float data[4];
    243 
    244             get_rc_constant_state(data, r300, &constants->Constants[i]);
    245 
    246             OUT_CS_REG_SEQ(R300_PFS_PARAM_0_X + i * 16, 4);
    247             for (j = 0; j < 4; j++)
    248                 OUT_CS(pack_float24(data[j]));
    249         }
    250     }
    251     END_CS;
    252 }
    253 
    254 void r500_emit_fs(struct r300_context* r300, unsigned size, void *state)
    255 {
    256     struct r300_fragment_shader *fs = r300_fs(r300);
    257     CS_LOCALS(r300);
    258 
    259     WRITE_CS_TABLE(fs->shader->cb_code, fs->shader->cb_code_size);
    260 }
    261 
    262 void r500_emit_fs_constants(struct r300_context* r300, unsigned size, void *state)
    263 {
    264     struct r300_fragment_shader *fs = r300_fs(r300);
    265     struct r300_constant_buffer *buf = (struct r300_constant_buffer*)state;
    266     unsigned count = fs->shader->externals_count;
    267     CS_LOCALS(r300);
    268 
    269     if (count == 0)
    270         return;
    271 
    272     BEGIN_CS(size);
    273     OUT_CS_REG(R500_GA_US_VECTOR_INDEX, R500_GA_US_VECTOR_INDEX_TYPE_CONST);
    274     OUT_CS_ONE_REG(R500_GA_US_VECTOR_DATA, count * 4);
    275     if (buf->remap_table){
    276         for (unsigned i = 0; i < count; i++) {
    277             uint32_t *data = &buf->ptr[buf->remap_table[i]*4];
    278             OUT_CS_TABLE(data, 4);
    279         }
    280     } else {
    281         OUT_CS_TABLE(buf->ptr, count * 4);
    282     }
    283     END_CS;
    284 }
    285 
    286 void r500_emit_fs_rc_constant_state(struct r300_context* r300, unsigned size, void *state)
    287 {
    288     struct r300_fragment_shader *fs = r300_fs(r300);
    289     struct rc_constant_list *constants = &fs->shader->code.constants;
    290     unsigned i;
    291     unsigned count = fs->shader->rc_state_count;
    292     unsigned first = fs->shader->externals_count;
    293     unsigned end = constants->Count;
    294     CS_LOCALS(r300);
    295 
    296     if (count == 0)
    297         return;
    298 
    299     BEGIN_CS(size);
    300     for(i = first; i < end; ++i) {
    301         if (constants->Constants[i].Type == RC_CONSTANT_STATE) {
    302             float data[4];
    303 
    304             get_rc_constant_state(data, r300, &constants->Constants[i]);
    305 
    306             OUT_CS_REG(R500_GA_US_VECTOR_INDEX,
    307                        R500_GA_US_VECTOR_INDEX_TYPE_CONST |
    308                        (i & R500_GA_US_VECTOR_INDEX_MASK));
    309             OUT_CS_ONE_REG(R500_GA_US_VECTOR_DATA, 4);
    310             OUT_CS_TABLE(data, 4);
    311         }
    312     }
    313     END_CS;
    314 }
    315 
    316 void r300_emit_gpu_flush(struct r300_context *r300, unsigned size, void *state)
    317 {
    318     struct r300_gpu_flush *gpuflush = (struct r300_gpu_flush*)state;
    319     struct pipe_framebuffer_state* fb =
    320             (struct pipe_framebuffer_state*)r300->fb_state.state;
    321     uint32_t height = fb->height;
    322     uint32_t width = fb->width;
    323     CS_LOCALS(r300);
    324 
    325     if (r300->cbzb_clear) {
    326         struct r300_surface *surf = r300_surface(fb->cbufs[0]);
    327 
    328         height = surf->cbzb_height;
    329         width = surf->cbzb_width;
    330     }
    331 
    332     DBG(r300, DBG_SCISSOR,
    333 	"r300: Scissor width: %i, height: %i, CBZB clear: %s\n",
    334 	width, height, r300->cbzb_clear ? "YES" : "NO");
    335 
    336     BEGIN_CS(size);
    337 
    338     /* Set up scissors.
    339      * By writing to the SC registers, SC & US assert idle. */
    340     OUT_CS_REG_SEQ(R300_SC_SCISSORS_TL, 2);
    341     if (r300->screen->caps.is_r500) {
    342         OUT_CS(0);
    343         OUT_CS(((width  - 1) << R300_SCISSORS_X_SHIFT) |
    344                ((height - 1) << R300_SCISSORS_Y_SHIFT));
    345     } else {
    346         OUT_CS((1440 << R300_SCISSORS_X_SHIFT) |
    347                (1440 << R300_SCISSORS_Y_SHIFT));
    348         OUT_CS(((width  + 1440-1) << R300_SCISSORS_X_SHIFT) |
    349                ((height + 1440-1) << R300_SCISSORS_Y_SHIFT));
    350     }
    351 
    352     /* Flush CB & ZB caches and wait until the 3D engine is idle and clean. */
    353     OUT_CS_TABLE(gpuflush->cb_flush_clean, 6);
    354     END_CS;
    355 }
    356 
    357 void r300_emit_aa_state(struct r300_context *r300, unsigned size, void *state)
    358 {
    359     struct r300_aa_state *aa = (struct r300_aa_state*)state;
    360     CS_LOCALS(r300);
    361 
    362     BEGIN_CS(size);
    363     OUT_CS_REG(R300_GB_AA_CONFIG, aa->aa_config);
    364 
    365     if (aa->dest) {
    366         OUT_CS_REG(R300_RB3D_AARESOLVE_OFFSET, aa->dest->offset);
    367         OUT_CS_RELOC(aa->dest);
    368         OUT_CS_REG(R300_RB3D_AARESOLVE_PITCH, aa->dest->pitch);
    369     }
    370 
    371     OUT_CS_REG(R300_RB3D_AARESOLVE_CTL, aa->aaresolve_ctl);
    372     END_CS;
    373 }
    374 
    375 void r300_emit_fb_state(struct r300_context* r300, unsigned size, void* state)
    376 {
    377     struct pipe_framebuffer_state* fb = (struct pipe_framebuffer_state*)state;
    378     struct r300_surface* surf;
    379     unsigned i;
    380     uint32_t rb3d_cctl = 0;
    381 
    382     CS_LOCALS(r300);
    383 
    384     BEGIN_CS(size);
    385 
    386     /* NUM_MULTIWRITES replicates COLOR[0] to all colorbuffers, which is not
    387      * what we usually want. */
    388     if (r300->screen->caps.is_r500) {
    389         rb3d_cctl = R300_RB3D_CCTL_INDEPENDENT_COLORFORMAT_ENABLE_ENABLE;
    390     }
    391     if (fb->nr_cbufs && r300->fb_multiwrite) {
    392         rb3d_cctl |= R300_RB3D_CCTL_NUM_MULTIWRITES(fb->nr_cbufs);
    393     }
    394 
    395     OUT_CS_REG(R300_RB3D_CCTL, rb3d_cctl);
    396 
    397     /* Set up colorbuffers. */
    398     for (i = 0; i < fb->nr_cbufs; i++) {
    399         surf = r300_surface(fb->cbufs[i]);
    400 
    401         OUT_CS_REG(R300_RB3D_COLOROFFSET0 + (4 * i), surf->offset);
    402         OUT_CS_RELOC(surf);
    403 
    404         OUT_CS_REG(R300_RB3D_COLORPITCH0 + (4 * i), surf->pitch);
    405         OUT_CS_RELOC(surf);
    406     }
    407 
    408     /* Set up the ZB part of the CBZB clear. */
    409     if (r300->cbzb_clear) {
    410         surf = r300_surface(fb->cbufs[0]);
    411 
    412         OUT_CS_REG(R300_ZB_FORMAT, surf->cbzb_format);
    413 
    414         OUT_CS_REG(R300_ZB_DEPTHOFFSET, surf->cbzb_midpoint_offset);
    415         OUT_CS_RELOC(surf);
    416 
    417         OUT_CS_REG(R300_ZB_DEPTHPITCH, surf->cbzb_pitch);
    418         OUT_CS_RELOC(surf);
    419 
    420         DBG(r300, DBG_CBZB,
    421             "CBZB clearing cbuf %08x %08x\n", surf->cbzb_format,
    422             surf->cbzb_pitch);
    423     }
    424     /* Set up a zbuffer. */
    425     else if (fb->zsbuf) {
    426         surf = r300_surface(fb->zsbuf);
    427 
    428         OUT_CS_REG(R300_ZB_FORMAT, surf->format);
    429 
    430         OUT_CS_REG(R300_ZB_DEPTHOFFSET, surf->offset);
    431         OUT_CS_RELOC(surf);
    432 
    433         OUT_CS_REG(R300_ZB_DEPTHPITCH, surf->pitch);
    434         OUT_CS_RELOC(surf);
    435 
    436         if (r300->hyperz_enabled) {
    437             /* HiZ RAM. */
    438             OUT_CS_REG(R300_ZB_HIZ_OFFSET, 0);
    439             OUT_CS_REG(R300_ZB_HIZ_PITCH, surf->pitch_hiz);
    440             /* Z Mask RAM. (compressed zbuffer) */
    441             OUT_CS_REG(R300_ZB_ZMASK_OFFSET, 0);
    442             OUT_CS_REG(R300_ZB_ZMASK_PITCH, surf->pitch_zmask);
    443         }
    444     /* Set up a dummy zbuffer. Otherwise occlusion queries won't work.
    445      * Use the first colorbuffer, we will disable writes in the DSA state
    446      * so as not to corrupt it. */
    447     } else if (fb->nr_cbufs) {
    448         surf = r300_surface(fb->cbufs[0]);
    449 
    450         OUT_CS_REG(R300_ZB_FORMAT, R300_DEPTHFORMAT_16BIT_INT_Z);
    451 
    452         OUT_CS_REG(R300_ZB_DEPTHOFFSET, 0);
    453         OUT_CS_RELOC(surf);
    454 
    455         OUT_CS_REG(R300_ZB_DEPTHPITCH, 4 | R300_DEPTHMICROTILE_TILED_SQUARE);
    456         OUT_CS_RELOC(surf);
    457     }
    458 
    459     END_CS;
    460 }
    461 
    462 void r300_emit_hyperz_state(struct r300_context *r300,
    463                             unsigned size, void *state)
    464 {
    465     struct r300_hyperz_state *z = state;
    466     CS_LOCALS(r300);
    467 
    468     if (z->flush)
    469         WRITE_CS_TABLE(&z->cb_flush_begin, size);
    470     else
    471         WRITE_CS_TABLE(&z->cb_begin, size - 2);
    472 }
    473 
    474 void r300_emit_hyperz_end(struct r300_context *r300)
    475 {
    476     struct r300_hyperz_state z =
    477             *(struct r300_hyperz_state*)r300->hyperz_state.state;
    478 
    479     z.flush = 1;
    480     z.zb_bw_cntl = 0;
    481     z.zb_depthclearvalue = 0;
    482     z.sc_hyperz = R300_SC_HYPERZ_ADJ_2;
    483     z.gb_z_peq_config = 0;
    484 
    485     r300_emit_hyperz_state(r300, r300->hyperz_state.size, &z);
    486 }
    487 
    488 void r300_emit_fb_state_pipelined(struct r300_context *r300,
    489                                   unsigned size, void *state)
    490 {
    491     struct pipe_framebuffer_state* fb =
    492             (struct pipe_framebuffer_state*)r300->fb_state.state;
    493     unsigned i, num_cbufs = fb->nr_cbufs;
    494     unsigned mspos0, mspos1;
    495     CS_LOCALS(r300);
    496 
    497     /* If we use the multiwrite feature, the colorbuffers 2,3,4 must be
    498      * marked as UNUSED in the US block. */
    499     if (r300->fb_multiwrite) {
    500         num_cbufs = MIN2(num_cbufs, 1);
    501     }
    502 
    503     BEGIN_CS(size);
    504 
    505     /* Colorbuffer format in the US block.
    506      * (must be written after unpipelined regs) */
    507     OUT_CS_REG_SEQ(R300_US_OUT_FMT_0, 4);
    508     for (i = 0; i < num_cbufs; i++) {
    509         OUT_CS(r300_surface(fb->cbufs[i])->format);
    510     }
    511     for (; i < 1; i++) {
    512         OUT_CS(R300_US_OUT_FMT_C4_8 |
    513                R300_C0_SEL_B | R300_C1_SEL_G |
    514                R300_C2_SEL_R | R300_C3_SEL_A);
    515     }
    516     for (; i < 4; i++) {
    517         OUT_CS(R300_US_OUT_FMT_UNUSED);
    518     }
    519 
    520     /* Multisampling. Depends on framebuffer sample count.
    521      * These are pipelined regs and as such cannot be moved
    522      * to the AA state. */
    523     mspos0 = 0x66666666;
    524     mspos1 = 0x6666666;
    525 
    526     if (fb->nr_cbufs && fb->cbufs[0]->texture->nr_samples > 1) {
    527         /* Subsample placement. These may not be optimal. */
    528         switch (fb->cbufs[0]->texture->nr_samples) {
    529         case 2:
    530             mspos0 = 0x33996633;
    531             mspos1 = 0x6666663;
    532             break;
    533         case 3:
    534             mspos0 = 0x33936933;
    535             mspos1 = 0x6666663;
    536             break;
    537         case 4:
    538             mspos0 = 0x33939933;
    539             mspos1 = 0x3966663;
    540             break;
    541         case 6:
    542             mspos0 = 0x22a2aa22;
    543             mspos1 = 0x2a65672;
    544             break;
    545         default:
    546             debug_printf("r300: Bad number of multisamples!\n");
    547         }
    548     }
    549 
    550     OUT_CS_REG_SEQ(R300_GB_MSPOS0, 2);
    551     OUT_CS(mspos0);
    552     OUT_CS(mspos1);
    553     END_CS;
    554 }
    555 
    556 void r300_emit_query_start(struct r300_context *r300, unsigned size, void*state)
    557 {
    558     struct r300_query *query = r300->query_current;
    559     CS_LOCALS(r300);
    560 
    561     if (!query)
    562 	return;
    563 
    564     BEGIN_CS(size);
    565     if (r300->screen->caps.family == CHIP_FAMILY_RV530) {
    566         OUT_CS_REG(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_ALL);
    567     } else {
    568         OUT_CS_REG(R300_SU_REG_DEST, R300_RASTER_PIPE_SELECT_ALL);
    569     }
    570     OUT_CS_REG(R300_ZB_ZPASS_DATA, 0);
    571     END_CS;
    572     query->begin_emitted = TRUE;
    573 }
    574 
    575 static void r300_emit_query_end_frag_pipes(struct r300_context *r300,
    576                                            struct r300_query *query)
    577 {
    578     struct r300_capabilities* caps = &r300->screen->caps;
    579     uint32_t gb_pipes = r300->screen->info.r300_num_gb_pipes;
    580     CS_LOCALS(r300);
    581 
    582     assert(gb_pipes);
    583 
    584     BEGIN_CS(6 * gb_pipes + 2);
    585     /* I'm not so sure I like this switch, but it's hard to be elegant
    586      * when there's so many special cases...
    587      *
    588      * So here's the basic idea. For each pipe, enable writes to it only,
    589      * then put out the relocation for ZPASS_ADDR, taking into account a
    590      * 4-byte offset for each pipe. RV380 and older are special; they have
    591      * only two pipes, and the second pipe's enable is on bit 3, not bit 1,
    592      * so there's a chipset cap for that. */
    593     switch (gb_pipes) {
    594         case 4:
    595             /* pipe 3 only */
    596             OUT_CS_REG(R300_SU_REG_DEST, 1 << 3);
    597             OUT_CS_REG(R300_ZB_ZPASS_ADDR, (query->num_results + 3) * 4);
    598             OUT_CS_RELOC(r300->query_current);
    599         case 3:
    600             /* pipe 2 only */
    601             OUT_CS_REG(R300_SU_REG_DEST, 1 << 2);
    602             OUT_CS_REG(R300_ZB_ZPASS_ADDR, (query->num_results + 2) * 4);
    603             OUT_CS_RELOC(r300->query_current);
    604         case 2:
    605             /* pipe 1 only */
    606             /* As mentioned above, accomodate RV380 and older. */
    607             OUT_CS_REG(R300_SU_REG_DEST,
    608                     1 << (caps->high_second_pipe ? 3 : 1));
    609             OUT_CS_REG(R300_ZB_ZPASS_ADDR, (query->num_results + 1) * 4);
    610             OUT_CS_RELOC(r300->query_current);
    611         case 1:
    612             /* pipe 0 only */
    613             OUT_CS_REG(R300_SU_REG_DEST, 1 << 0);
    614             OUT_CS_REG(R300_ZB_ZPASS_ADDR, (query->num_results + 0) * 4);
    615             OUT_CS_RELOC(r300->query_current);
    616             break;
    617         default:
    618             fprintf(stderr, "r300: Implementation error: Chipset reports %d"
    619                     " pixel pipes!\n", gb_pipes);
    620             abort();
    621     }
    622 
    623     /* And, finally, reset it to normal... */
    624     OUT_CS_REG(R300_SU_REG_DEST, 0xF);
    625     END_CS;
    626 }
    627 
    628 static void rv530_emit_query_end_single_z(struct r300_context *r300,
    629                                           struct r300_query *query)
    630 {
    631     CS_LOCALS(r300);
    632 
    633     BEGIN_CS(8);
    634     OUT_CS_REG(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_0);
    635     OUT_CS_REG(R300_ZB_ZPASS_ADDR, query->num_results * 4);
    636     OUT_CS_RELOC(r300->query_current);
    637     OUT_CS_REG(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_ALL);
    638     END_CS;
    639 }
    640 
    641 static void rv530_emit_query_end_double_z(struct r300_context *r300,
    642                                           struct r300_query *query)
    643 {
    644     CS_LOCALS(r300);
    645 
    646     BEGIN_CS(14);
    647     OUT_CS_REG(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_0);
    648     OUT_CS_REG(R300_ZB_ZPASS_ADDR, (query->num_results + 0) * 4);
    649     OUT_CS_RELOC(r300->query_current);
    650     OUT_CS_REG(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_1);
    651     OUT_CS_REG(R300_ZB_ZPASS_ADDR, (query->num_results + 1) * 4);
    652     OUT_CS_RELOC(r300->query_current);
    653     OUT_CS_REG(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_ALL);
    654     END_CS;
    655 }
    656 
    657 void r300_emit_query_end(struct r300_context* r300)
    658 {
    659     struct r300_capabilities *caps = &r300->screen->caps;
    660     struct r300_query *query = r300->query_current;
    661 
    662     if (!query)
    663 	return;
    664 
    665     if (query->begin_emitted == FALSE)
    666         return;
    667 
    668     if (caps->family == CHIP_FAMILY_RV530) {
    669         if (r300->screen->info.r300_num_z_pipes == 2)
    670             rv530_emit_query_end_double_z(r300, query);
    671         else
    672             rv530_emit_query_end_single_z(r300, query);
    673     } else
    674         r300_emit_query_end_frag_pipes(r300, query);
    675 
    676     query->begin_emitted = FALSE;
    677     query->num_results += query->num_pipes;
    678 
    679     /* XXX grab all the results and reset the counter. */
    680     if (query->num_results >= query->buf->size / 4 - 4) {
    681         query->num_results = (query->buf->size / 4) / 2;
    682         fprintf(stderr, "r300: Rewinding OQBO...\n");
    683     }
    684 }
    685 
    686 void r300_emit_invariant_state(struct r300_context *r300,
    687                                unsigned size, void *state)
    688 {
    689     CS_LOCALS(r300);
    690     WRITE_CS_TABLE(state, size);
    691 }
    692 
    693 void r300_emit_rs_state(struct r300_context* r300, unsigned size, void* state)
    694 {
    695     struct r300_rs_state* rs = state;
    696     CS_LOCALS(r300);
    697 
    698     BEGIN_CS(size);
    699     OUT_CS_TABLE(rs->cb_main, RS_STATE_MAIN_SIZE);
    700     if (rs->polygon_offset_enable) {
    701         if (r300->zbuffer_bpp == 16) {
    702             OUT_CS_TABLE(rs->cb_poly_offset_zb16, 5);
    703         } else {
    704             OUT_CS_TABLE(rs->cb_poly_offset_zb24, 5);
    705         }
    706     }
    707     END_CS;
    708 }
    709 
    710 void r300_emit_rs_block_state(struct r300_context* r300,
    711                               unsigned size, void* state)
    712 {
    713     struct r300_rs_block* rs = (struct r300_rs_block*)state;
    714     unsigned i;
    715     /* It's the same for both INST and IP tables */
    716     unsigned count = (rs->inst_count & R300_RS_INST_COUNT_MASK) + 1;
    717     CS_LOCALS(r300);
    718 
    719     if (DBG_ON(r300, DBG_RS_BLOCK)) {
    720         r500_dump_rs_block(rs);
    721 
    722         fprintf(stderr, "r300: RS emit:\n");
    723 
    724         for (i = 0; i < count; i++)
    725             fprintf(stderr, "    : ip %d: 0x%08x\n", i, rs->ip[i]);
    726 
    727         for (i = 0; i < count; i++)
    728             fprintf(stderr, "    : inst %d: 0x%08x\n", i, rs->inst[i]);
    729 
    730         fprintf(stderr, "    : count: 0x%08x inst_count: 0x%08x\n",
    731             rs->count, rs->inst_count);
    732     }
    733 
    734     BEGIN_CS(size);
    735     OUT_CS_REG_SEQ(R300_VAP_VTX_STATE_CNTL, 2);
    736     OUT_CS(rs->vap_vtx_state_cntl);
    737     OUT_CS(rs->vap_vsm_vtx_assm);
    738     OUT_CS_REG_SEQ(R300_VAP_OUTPUT_VTX_FMT_0, 2);
    739     OUT_CS(rs->vap_out_vtx_fmt[0]);
    740     OUT_CS(rs->vap_out_vtx_fmt[1]);
    741     OUT_CS_REG_SEQ(R300_GB_ENABLE, 1);
    742     OUT_CS(rs->gb_enable);
    743 
    744     if (r300->screen->caps.is_r500) {
    745         OUT_CS_REG_SEQ(R500_RS_IP_0, count);
    746     } else {
    747         OUT_CS_REG_SEQ(R300_RS_IP_0, count);
    748     }
    749     OUT_CS_TABLE(rs->ip, count);
    750 
    751     OUT_CS_REG_SEQ(R300_RS_COUNT, 2);
    752     OUT_CS(rs->count);
    753     OUT_CS(rs->inst_count);
    754 
    755     if (r300->screen->caps.is_r500) {
    756         OUT_CS_REG_SEQ(R500_RS_INST_0, count);
    757     } else {
    758         OUT_CS_REG_SEQ(R300_RS_INST_0, count);
    759     }
    760     OUT_CS_TABLE(rs->inst, count);
    761     END_CS;
    762 }
    763 
    764 void r300_emit_scissor_state(struct r300_context* r300,
    765                              unsigned size, void* state)
    766 {
    767     struct pipe_scissor_state* scissor = (struct pipe_scissor_state*)state;
    768     CS_LOCALS(r300);
    769 
    770     BEGIN_CS(size);
    771     OUT_CS_REG_SEQ(R300_SC_CLIPRECT_TL_0, 2);
    772     if (r300->screen->caps.is_r500) {
    773         OUT_CS((scissor->minx << R300_CLIPRECT_X_SHIFT) |
    774                (scissor->miny << R300_CLIPRECT_Y_SHIFT));
    775         OUT_CS(((scissor->maxx - 1) << R300_CLIPRECT_X_SHIFT) |
    776                ((scissor->maxy - 1) << R300_CLIPRECT_Y_SHIFT));
    777     } else {
    778         OUT_CS(((scissor->minx + 1440) << R300_CLIPRECT_X_SHIFT) |
    779                ((scissor->miny + 1440) << R300_CLIPRECT_Y_SHIFT));
    780         OUT_CS(((scissor->maxx + 1440-1) << R300_CLIPRECT_X_SHIFT) |
    781                ((scissor->maxy + 1440-1) << R300_CLIPRECT_Y_SHIFT));
    782     }
    783     END_CS;
    784 }
    785 
    786 void r300_emit_textures_state(struct r300_context *r300,
    787                               unsigned size, void *state)
    788 {
    789     struct r300_textures_state *allstate = (struct r300_textures_state*)state;
    790     struct r300_texture_sampler_state *texstate;
    791     struct r300_resource *tex;
    792     unsigned i;
    793     boolean has_us_format = r300->screen->caps.has_us_format;
    794     CS_LOCALS(r300);
    795 
    796     BEGIN_CS(size);
    797     OUT_CS_REG(R300_TX_ENABLE, allstate->tx_enable);
    798 
    799     for (i = 0; i < allstate->count; i++) {
    800         if ((1 << i) & allstate->tx_enable) {
    801             texstate = &allstate->regs[i];
    802             tex = r300_resource(allstate->sampler_views[i]->base.texture);
    803 
    804             OUT_CS_REG(R300_TX_FILTER0_0 + (i * 4), texstate->filter0);
    805             OUT_CS_REG(R300_TX_FILTER1_0 + (i * 4), texstate->filter1);
    806             OUT_CS_REG(R300_TX_BORDER_COLOR_0 + (i * 4),
    807                        texstate->border_color);
    808 
    809             OUT_CS_REG(R300_TX_FORMAT0_0 + (i * 4), texstate->format.format0);
    810             OUT_CS_REG(R300_TX_FORMAT1_0 + (i * 4), texstate->format.format1);
    811             OUT_CS_REG(R300_TX_FORMAT2_0 + (i * 4), texstate->format.format2);
    812 
    813             OUT_CS_REG(R300_TX_OFFSET_0 + (i * 4), texstate->format.tile_config);
    814             OUT_CS_RELOC(tex);
    815 
    816             if (has_us_format) {
    817                 OUT_CS_REG(R500_US_FORMAT0_0 + (i * 4),
    818                            texstate->format.us_format0);
    819             }
    820         }
    821     }
    822     END_CS;
    823 }
    824 
    825 void r300_emit_vertex_arrays(struct r300_context* r300, int offset,
    826                              boolean indexed, int instance_id)
    827 {
    828     struct pipe_vertex_buffer *vbuf = r300->vertex_buffer;
    829     struct pipe_vertex_element *velem = r300->velems->velem;
    830     struct r300_resource *buf;
    831     int i;
    832     unsigned vertex_array_count = r300->velems->count;
    833     unsigned packet_size = (vertex_array_count * 3 + 1) / 2;
    834     struct pipe_vertex_buffer *vb1, *vb2;
    835     unsigned *hw_format_size = r300->velems->format_size;
    836     unsigned size1, size2, offset1, offset2, stride1, stride2;
    837     CS_LOCALS(r300);
    838 
    839     BEGIN_CS(2 + packet_size + vertex_array_count * 2);
    840     OUT_CS_PKT3(R300_PACKET3_3D_LOAD_VBPNTR, packet_size);
    841     OUT_CS(vertex_array_count | (!indexed ? R300_VC_FORCE_PREFETCH : 0));
    842 
    843     if (instance_id == -1) {
    844         /* Non-instanced arrays. This ignores instance_divisor and instance_id. */
    845         for (i = 0; i < vertex_array_count - 1; i += 2) {
    846             vb1 = &vbuf[velem[i].vertex_buffer_index];
    847             vb2 = &vbuf[velem[i+1].vertex_buffer_index];
    848             size1 = hw_format_size[i];
    849             size2 = hw_format_size[i+1];
    850 
    851             OUT_CS(R300_VBPNTR_SIZE0(size1) | R300_VBPNTR_STRIDE0(vb1->stride) |
    852                    R300_VBPNTR_SIZE1(size2) | R300_VBPNTR_STRIDE1(vb2->stride));
    853             OUT_CS(vb1->buffer_offset + velem[i].src_offset   + offset * vb1->stride);
    854             OUT_CS(vb2->buffer_offset + velem[i+1].src_offset + offset * vb2->stride);
    855         }
    856 
    857         if (vertex_array_count & 1) {
    858             vb1 = &vbuf[velem[i].vertex_buffer_index];
    859             size1 = hw_format_size[i];
    860 
    861             OUT_CS(R300_VBPNTR_SIZE0(size1) | R300_VBPNTR_STRIDE0(vb1->stride));
    862             OUT_CS(vb1->buffer_offset + velem[i].src_offset + offset * vb1->stride);
    863         }
    864 
    865         for (i = 0; i < vertex_array_count; i++) {
    866             buf = r300_resource(vbuf[velem[i].vertex_buffer_index].buffer);
    867             OUT_CS_RELOC(buf);
    868         }
    869     } else {
    870         /* Instanced arrays. */
    871         for (i = 0; i < vertex_array_count - 1; i += 2) {
    872             vb1 = &vbuf[velem[i].vertex_buffer_index];
    873             vb2 = &vbuf[velem[i+1].vertex_buffer_index];
    874             size1 = hw_format_size[i];
    875             size2 = hw_format_size[i+1];
    876 
    877             if (velem[i].instance_divisor) {
    878                 stride1 = 0;
    879                 offset1 = vb1->buffer_offset + velem[i].src_offset +
    880                           (instance_id / velem[i].instance_divisor) * vb1->stride;
    881             } else {
    882                 stride1 = vb1->stride;
    883                 offset1 = vb1->buffer_offset + velem[i].src_offset + offset * vb1->stride;
    884             }
    885             if (velem[i+1].instance_divisor) {
    886                 stride2 = 0;
    887                 offset2 = vb2->buffer_offset + velem[i+1].src_offset +
    888                           (instance_id / velem[i+1].instance_divisor) * vb2->stride;
    889             } else {
    890                 stride2 = vb2->stride;
    891                 offset2 = vb2->buffer_offset + velem[i+1].src_offset + offset * vb2->stride;
    892             }
    893 
    894             OUT_CS(R300_VBPNTR_SIZE0(size1) | R300_VBPNTR_STRIDE0(stride1) |
    895                    R300_VBPNTR_SIZE1(size2) | R300_VBPNTR_STRIDE1(stride2));
    896             OUT_CS(offset1);
    897             OUT_CS(offset2);
    898         }
    899 
    900         if (vertex_array_count & 1) {
    901             vb1 = &vbuf[velem[i].vertex_buffer_index];
    902             size1 = hw_format_size[i];
    903 
    904             if (velem[i].instance_divisor) {
    905                 stride1 = 0;
    906                 offset1 = vb1->buffer_offset + velem[i].src_offset +
    907                           (instance_id / velem[i].instance_divisor) * vb1->stride;
    908             } else {
    909                 stride1 = vb1->stride;
    910                 offset1 = vb1->buffer_offset + velem[i].src_offset + offset * vb1->stride;
    911             }
    912 
    913             OUT_CS(R300_VBPNTR_SIZE0(size1) | R300_VBPNTR_STRIDE0(stride1));
    914             OUT_CS(offset1);
    915         }
    916 
    917         for (i = 0; i < vertex_array_count; i++) {
    918             buf = r300_resource(vbuf[velem[i].vertex_buffer_index].buffer);
    919             OUT_CS_RELOC(buf);
    920         }
    921     }
    922     END_CS;
    923 }
    924 
    925 void r300_emit_vertex_arrays_swtcl(struct r300_context *r300, boolean indexed)
    926 {
    927     CS_LOCALS(r300);
    928 
    929     DBG(r300, DBG_SWTCL, "r300: Preparing vertex buffer %p for render, "
    930             "vertex size %d\n", r300->vbo,
    931             r300->vertex_info.size);
    932     /* Set the pointer to our vertex buffer. The emitted values are this:
    933      * PACKET3 [3D_LOAD_VBPNTR]
    934      * COUNT   [1]
    935      * FORMAT  [size | stride << 8]
    936      * OFFSET  [offset into BO]
    937      * VBPNTR  [relocated BO]
    938      */
    939     BEGIN_CS(7);
    940     OUT_CS_PKT3(R300_PACKET3_3D_LOAD_VBPNTR, 3);
    941     OUT_CS(1 | (!indexed ? R300_VC_FORCE_PREFETCH : 0));
    942     OUT_CS(r300->vertex_info.size |
    943             (r300->vertex_info.size << 8));
    944     OUT_CS(r300->draw_vbo_offset);
    945     OUT_CS(0);
    946     OUT_CS_RELOC(r300_resource(r300->vbo));
    947     END_CS;
    948 }
    949 
    950 void r300_emit_vertex_stream_state(struct r300_context* r300,
    951                                    unsigned size, void* state)
    952 {
    953     struct r300_vertex_stream_state *streams =
    954         (struct r300_vertex_stream_state*)state;
    955     unsigned i;
    956     CS_LOCALS(r300);
    957 
    958     if (DBG_ON(r300, DBG_PSC)) {
    959         fprintf(stderr, "r300: PSC emit:\n");
    960 
    961         for (i = 0; i < streams->count; i++) {
    962             fprintf(stderr, "    : prog_stream_cntl%d: 0x%08x\n", i,
    963                    streams->vap_prog_stream_cntl[i]);
    964         }
    965 
    966         for (i = 0; i < streams->count; i++) {
    967             fprintf(stderr, "    : prog_stream_cntl_ext%d: 0x%08x\n", i,
    968                    streams->vap_prog_stream_cntl_ext[i]);
    969         }
    970     }
    971 
    972     BEGIN_CS(size);
    973     OUT_CS_REG_SEQ(R300_VAP_PROG_STREAM_CNTL_0, streams->count);
    974     OUT_CS_TABLE(streams->vap_prog_stream_cntl, streams->count);
    975     OUT_CS_REG_SEQ(R300_VAP_PROG_STREAM_CNTL_EXT_0, streams->count);
    976     OUT_CS_TABLE(streams->vap_prog_stream_cntl_ext, streams->count);
    977     END_CS;
    978 }
    979 
    980 void r300_emit_pvs_flush(struct r300_context* r300, unsigned size, void* state)
    981 {
    982     CS_LOCALS(r300);
    983 
    984     BEGIN_CS(size);
    985     OUT_CS_REG(R300_VAP_PVS_STATE_FLUSH_REG, 0x0);
    986     END_CS;
    987 }
    988 
    989 void r300_emit_vap_invariant_state(struct r300_context *r300,
    990                                    unsigned size, void *state)
    991 {
    992     CS_LOCALS(r300);
    993     WRITE_CS_TABLE(state, size);
    994 }
    995 
    996 void r300_emit_vs_state(struct r300_context* r300, unsigned size, void* state)
    997 {
    998     struct r300_vertex_shader* vs = (struct r300_vertex_shader*)state;
    999     struct r300_vertex_program_code* code = &vs->code;
   1000     struct r300_screen* r300screen = r300->screen;
   1001     unsigned instruction_count = code->length / 4;
   1002 
   1003     unsigned vtx_mem_size = r300screen->caps.is_r500 ? 128 : 72;
   1004     unsigned input_count = MAX2(util_bitcount(code->InputsRead), 1);
   1005     unsigned output_count = MAX2(util_bitcount(code->OutputsWritten), 1);
   1006     unsigned temp_count = MAX2(code->num_temporaries, 1);
   1007 
   1008     unsigned pvs_num_slots = MIN3(vtx_mem_size / input_count,
   1009                                   vtx_mem_size / output_count, 10);
   1010     unsigned pvs_num_controllers = MIN2(vtx_mem_size / temp_count, 5);
   1011 
   1012     CS_LOCALS(r300);
   1013 
   1014     BEGIN_CS(size);
   1015 
   1016     /* R300_VAP_PVS_CODE_CNTL_0
   1017      * R300_VAP_PVS_CONST_CNTL
   1018      * R300_VAP_PVS_CODE_CNTL_1
   1019      * See the r5xx docs for instructions on how to use these. */
   1020     OUT_CS_REG(R300_VAP_PVS_CODE_CNTL_0, R300_PVS_FIRST_INST(0) |
   1021 	       R300_PVS_XYZW_VALID_INST(instruction_count - 1) |
   1022 	       R300_PVS_LAST_INST(instruction_count - 1));
   1023     OUT_CS_REG(R300_VAP_PVS_CODE_CNTL_1, instruction_count - 1);
   1024 
   1025     OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG, 0);
   1026     OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, code->length);
   1027     OUT_CS_TABLE(code->body.d, code->length);
   1028 
   1029     OUT_CS_REG(R300_VAP_CNTL, R300_PVS_NUM_SLOTS(pvs_num_slots) |
   1030             R300_PVS_NUM_CNTLRS(pvs_num_controllers) |
   1031             R300_PVS_NUM_FPUS(r300screen->caps.num_vert_fpus) |
   1032             R300_PVS_VF_MAX_VTX_NUM(12) |
   1033             (r300screen->caps.is_r500 ? R500_TCL_STATE_OPTIMIZATION : 0));
   1034 
   1035     /* Emit flow control instructions.  Even if there are no fc instructions,
   1036      * we still need to write the registers to make sure they are cleared. */
   1037     OUT_CS_REG(R300_VAP_PVS_FLOW_CNTL_OPC, code->fc_ops);
   1038     if (r300screen->caps.is_r500) {
   1039         OUT_CS_REG_SEQ(R500_VAP_PVS_FLOW_CNTL_ADDRS_LW_0, R300_VS_MAX_FC_OPS * 2);
   1040         OUT_CS_TABLE(code->fc_op_addrs.r500, R300_VS_MAX_FC_OPS * 2);
   1041     } else {
   1042         OUT_CS_REG_SEQ(R300_VAP_PVS_FLOW_CNTL_ADDRS_0, R300_VS_MAX_FC_OPS);
   1043         OUT_CS_TABLE(code->fc_op_addrs.r300, R300_VS_MAX_FC_OPS);
   1044     }
   1045     OUT_CS_REG_SEQ(R300_VAP_PVS_FLOW_CNTL_LOOP_INDEX_0, R300_VS_MAX_FC_OPS);
   1046     OUT_CS_TABLE(code->fc_loop_index, R300_VS_MAX_FC_OPS);
   1047 
   1048     END_CS;
   1049 }
   1050 
   1051 void r300_emit_vs_constants(struct r300_context* r300,
   1052                             unsigned size, void *state)
   1053 {
   1054     unsigned count =
   1055         ((struct r300_vertex_shader*)r300->vs_state.state)->externals_count;
   1056     struct r300_constant_buffer *buf = (struct r300_constant_buffer*)state;
   1057     struct r300_vertex_shader *vs = (struct r300_vertex_shader*)r300->vs_state.state;
   1058     unsigned i;
   1059     int imm_first = vs->externals_count;
   1060     int imm_end = vs->code.constants.Count;
   1061     int imm_count = vs->immediates_count;
   1062     CS_LOCALS(r300);
   1063 
   1064     BEGIN_CS(size);
   1065     OUT_CS_REG(R300_VAP_PVS_CONST_CNTL,
   1066                R300_PVS_CONST_BASE_OFFSET(buf->buffer_base) |
   1067                R300_PVS_MAX_CONST_ADDR(MAX2(imm_end - 1, 0)));
   1068     if (vs->externals_count) {
   1069         OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG,
   1070                    (r300->screen->caps.is_r500 ?
   1071                    R500_PVS_CONST_START : R300_PVS_CONST_START) + buf->buffer_base);
   1072         OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, count * 4);
   1073         if (buf->remap_table){
   1074             for (i = 0; i < count; i++) {
   1075                 uint32_t *data = &buf->ptr[buf->remap_table[i]*4];
   1076                 OUT_CS_TABLE(data, 4);
   1077             }
   1078         } else {
   1079             OUT_CS_TABLE(buf->ptr, count * 4);
   1080         }
   1081     }
   1082 
   1083     /* Emit immediates. */
   1084     if (imm_count) {
   1085         OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG,
   1086                    (r300->screen->caps.is_r500 ?
   1087                    R500_PVS_CONST_START : R300_PVS_CONST_START) +
   1088                    buf->buffer_base + imm_first);
   1089         OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, imm_count * 4);
   1090         for (i = imm_first; i < imm_end; i++) {
   1091             const float *data = vs->code.constants.Constants[i].u.Immediate;
   1092             OUT_CS_TABLE(data, 4);
   1093         }
   1094     }
   1095     END_CS;
   1096 }
   1097 
   1098 void r300_emit_viewport_state(struct r300_context* r300,
   1099                               unsigned size, void* state)
   1100 {
   1101     struct r300_viewport_state* viewport = (struct r300_viewport_state*)state;
   1102     CS_LOCALS(r300);
   1103 
   1104     BEGIN_CS(size);
   1105     OUT_CS_REG_SEQ(R300_SE_VPORT_XSCALE, 6);
   1106     OUT_CS_TABLE(&viewport->xscale, 6);
   1107     OUT_CS_REG(R300_VAP_VTE_CNTL, viewport->vte_control);
   1108     END_CS;
   1109 }
   1110 
   1111 void r300_emit_hiz_clear(struct r300_context *r300, unsigned size, void *state)
   1112 {
   1113     struct pipe_framebuffer_state *fb =
   1114         (struct pipe_framebuffer_state*)r300->fb_state.state;
   1115     struct r300_resource* tex;
   1116     CS_LOCALS(r300);
   1117 
   1118     tex = r300_resource(fb->zsbuf->texture);
   1119 
   1120     BEGIN_CS(size);
   1121     OUT_CS_PKT3(R300_PACKET3_3D_CLEAR_HIZ, 2);
   1122     OUT_CS(0);
   1123     OUT_CS(tex->tex.hiz_dwords[fb->zsbuf->u.tex.level]);
   1124     OUT_CS(r300->hiz_clear_value);
   1125     END_CS;
   1126 
   1127     /* Mark the current zbuffer's hiz ram as in use. */
   1128     r300->hiz_in_use = TRUE;
   1129     r300->hiz_func = HIZ_FUNC_NONE;
   1130     r300_mark_atom_dirty(r300, &r300->hyperz_state);
   1131 }
   1132 
   1133 void r300_emit_zmask_clear(struct r300_context *r300, unsigned size, void *state)
   1134 {
   1135     struct pipe_framebuffer_state *fb =
   1136         (struct pipe_framebuffer_state*)r300->fb_state.state;
   1137     struct r300_resource *tex;
   1138     CS_LOCALS(r300);
   1139 
   1140     tex = r300_resource(fb->zsbuf->texture);
   1141 
   1142     BEGIN_CS(size);
   1143     OUT_CS_PKT3(R300_PACKET3_3D_CLEAR_ZMASK, 2);
   1144     OUT_CS(0);
   1145     OUT_CS(tex->tex.zmask_dwords[fb->zsbuf->u.tex.level]);
   1146     OUT_CS(0);
   1147     END_CS;
   1148 
   1149     /* Mark the current zbuffer's zmask as in use. */
   1150     r300->zmask_in_use = TRUE;
   1151     r300_mark_atom_dirty(r300, &r300->hyperz_state);
   1152 }
   1153 
   1154 void r300_emit_ztop_state(struct r300_context* r300,
   1155                           unsigned size, void* state)
   1156 {
   1157     struct r300_ztop_state* ztop = (struct r300_ztop_state*)state;
   1158     CS_LOCALS(r300);
   1159 
   1160     BEGIN_CS(size);
   1161     OUT_CS_REG(R300_ZB_ZTOP, ztop->z_buffer_top);
   1162     END_CS;
   1163 }
   1164 
   1165 void r300_emit_texture_cache_inval(struct r300_context* r300, unsigned size, void* state)
   1166 {
   1167     CS_LOCALS(r300);
   1168 
   1169     BEGIN_CS(size);
   1170     OUT_CS_REG(R300_TX_INVALTAGS, 0);
   1171     END_CS;
   1172 }
   1173 
   1174 boolean r300_emit_buffer_validate(struct r300_context *r300,
   1175                                   boolean do_validate_vertex_buffers,
   1176                                   struct pipe_resource *index_buffer)
   1177 {
   1178     struct pipe_framebuffer_state *fb =
   1179         (struct pipe_framebuffer_state*)r300->fb_state.state;
   1180     struct r300_textures_state *texstate =
   1181         (struct r300_textures_state*)r300->textures_state.state;
   1182     struct r300_resource *tex;
   1183     unsigned i;
   1184     boolean flushed = FALSE;
   1185 
   1186 validate:
   1187     if (r300->fb_state.dirty) {
   1188         /* Color buffers... */
   1189         for (i = 0; i < fb->nr_cbufs; i++) {
   1190             tex = r300_resource(fb->cbufs[i]->texture);
   1191             assert(tex && tex->buf && "cbuf is marked, but NULL!");
   1192             r300->rws->cs_add_reloc(r300->cs, tex->cs_buf,
   1193                                     RADEON_USAGE_READWRITE,
   1194                                     r300_surface(fb->cbufs[i])->domain);
   1195         }
   1196         /* ...depth buffer... */
   1197         if (fb->zsbuf) {
   1198             tex = r300_resource(fb->zsbuf->texture);
   1199             assert(tex && tex->buf && "zsbuf is marked, but NULL!");
   1200             r300->rws->cs_add_reloc(r300->cs, tex->cs_buf,
   1201                                     RADEON_USAGE_READWRITE,
   1202                                     r300_surface(fb->zsbuf)->domain);
   1203         }
   1204     }
   1205     if (r300->textures_state.dirty) {
   1206         /* ...textures... */
   1207         for (i = 0; i < texstate->count; i++) {
   1208             if (!(texstate->tx_enable & (1 << i))) {
   1209                 continue;
   1210             }
   1211 
   1212             tex = r300_resource(texstate->sampler_views[i]->base.texture);
   1213             r300->rws->cs_add_reloc(r300->cs, tex->cs_buf, RADEON_USAGE_READ,
   1214                                     tex->domain);
   1215         }
   1216     }
   1217     /* ...occlusion query buffer... */
   1218     if (r300->query_current)
   1219         r300->rws->cs_add_reloc(r300->cs, r300->query_current->cs_buf,
   1220                                 RADEON_USAGE_WRITE, RADEON_DOMAIN_GTT);
   1221     /* ...vertex buffer for SWTCL path... */
   1222     if (r300->vbo)
   1223         r300->rws->cs_add_reloc(r300->cs, r300_resource(r300->vbo)->cs_buf,
   1224                                 RADEON_USAGE_READ,
   1225                                 r300_resource(r300->vbo)->domain);
   1226     /* ...vertex buffers for HWTCL path... */
   1227     if (do_validate_vertex_buffers && r300->vertex_arrays_dirty) {
   1228         struct pipe_vertex_buffer *vbuf = r300->vertex_buffer;
   1229         struct pipe_vertex_buffer *last = r300->vertex_buffer +
   1230                                       r300->nr_vertex_buffers;
   1231         struct pipe_resource *buf;
   1232 
   1233         for (; vbuf != last; vbuf++) {
   1234             buf = vbuf->buffer;
   1235             if (!buf)
   1236                 continue;
   1237 
   1238             r300->rws->cs_add_reloc(r300->cs, r300_resource(buf)->cs_buf,
   1239                                     RADEON_USAGE_READ,
   1240                                     r300_resource(buf)->domain);
   1241         }
   1242     }
   1243     /* ...and index buffer for HWTCL path. */
   1244     if (index_buffer)
   1245         r300->rws->cs_add_reloc(r300->cs, r300_resource(index_buffer)->cs_buf,
   1246                                 RADEON_USAGE_READ,
   1247                                 r300_resource(index_buffer)->domain);
   1248 
   1249     /* Now do the validation (flush is called inside cs_validate on failure). */
   1250     if (!r300->rws->cs_validate(r300->cs)) {
   1251         /* Ooops, an infinite loop, give up. */
   1252         if (flushed)
   1253             return FALSE;
   1254 
   1255         flushed = TRUE;
   1256         goto validate;
   1257     }
   1258 
   1259     return TRUE;
   1260 }
   1261 
   1262 unsigned r300_get_num_dirty_dwords(struct r300_context *r300)
   1263 {
   1264     struct r300_atom* atom;
   1265     unsigned dwords = 0;
   1266 
   1267     foreach_dirty_atom(r300, atom) {
   1268         if (atom->dirty) {
   1269             dwords += atom->size;
   1270         }
   1271     }
   1272 
   1273     /* let's reserve some more, just in case */
   1274     dwords += 32;
   1275 
   1276     return dwords;
   1277 }
   1278 
   1279 unsigned r300_get_num_cs_end_dwords(struct r300_context *r300)
   1280 {
   1281     unsigned dwords = 0;
   1282 
   1283     /* Emitted in flush. */
   1284     dwords += 26; /* emit_query_end */
   1285     dwords += r300->hyperz_state.size + 2; /* emit_hyperz_end + zcache flush */
   1286     if (r300->screen->caps.is_r500)
   1287         dwords += 2;
   1288 
   1289     return dwords;
   1290 }
   1291 
   1292 /* Emit all dirty state. */
   1293 void r300_emit_dirty_state(struct r300_context* r300)
   1294 {
   1295     struct r300_atom *atom;
   1296 
   1297     foreach_dirty_atom(r300, atom) {
   1298         if (atom->dirty) {
   1299             atom->emit(r300, atom->size, atom->state);
   1300             atom->dirty = FALSE;
   1301         }
   1302     }
   1303 
   1304     r300->first_dirty = NULL;
   1305     r300->last_dirty = NULL;
   1306     r300->dirty_hw++;
   1307 }
   1308